.ganggao-a {
    margin-top: 10vh;
    width: 100%;
  }
  .ganggao-a > h2 {
    margin-top: 10vh;
    margin-bottom: 2vh;
    text-align: center;
  }
  .ganggao-a .guanggao-b > img {
    width: 100%;
    margin-bottom: 5vh;
  }
  .ganggao-a {
    position: relative;
  }
  .ganggao-a .yuyue {
    position: absolute;
    top: 70%;
    color: rgb(93, 94, 78);
    font-size: 20px;
    text-align: center;
    width: 100%;
    
  }
  .ganggao-a .yuyue >p{
    color: aliceblue;
  }
  .ganggao-a .yuyue >button{
    border: none;
    /* margin-left: 20%; */
    margin-top:2%;
    color: aliceblue;
    background-color: transparent;
  }